Mental Arithmetic Class in progress 上课情形
arithmetic progress
算术进展
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Ms Truss said an over-reliance on calculators meant children missed the rigorous grounding in mental and written arithmetic they needed to progress.
BBC: Government bans calculators from primary maths tests
应用推荐
模块上移
模块下移
不移动